The Freeware Guide - Your Guide to the Best Free Software and Freeware Sites! BK Periodic Library
Title  BK Periodic Library Size  258 kB Win  95/98/NT/2000/XP
Periodic Library is an interactive periodic table of the elements. But it is more than simply a computerized version of the standard periodic table. It takes full advantage of your computer's capabilities to give you an in-depth look at the elements that make up our earth, the solar system, the galaxy... well, let's just say everything.
Here is a screen-shot of the main program window of Periodic Library.
Periodic Library
The window to the left is the main program window, and the window to the right is the element information window. As you click on different elements in the main window, the element information window updates to display the currently selected element. As you can see, the elements are color-coded depending on whether they are solids, liquids or gases at the current temperature. You can change the temperature by manipulating the temperature slider (the scroll bar at the top of the main window). As you do so, the element colors reflect accordingly.

You can also search for a particular element:
Search Element
By selecting the appropriate tab, you can choose to search for an element by its name, symbol or property. If you search by property, you can narrow the search by typing in a lower and upper limit of the value of that specific property. When you update the list of elements, only the ones which are between the upper and lower limits will appear. When you have found the element you want, you can select it and return to the previous view where it will be selected and you can view its other properties.

Using the built-in graphing module, you can graph the different element properties, and watch the periodic trends jump out of the screen at you:
Graph
As you pass the pointer over the graph, the number, name and symbol of the element you are currently passing over appears on the status bar. If you wish to have a more in-depth look at one of the elements, simply double-click when you are over the desired element, and you will be returned to the main window where the element you have chosen will be selected and ready to view in the element information window.
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